To work, it has to understand the world around us. It needs to be full AI.
There's also no reason why we would want it. Nothing. As we develop ways to augment our world a simple phone can deliver the info.
VR has a use case for entertainment. It has no business or education case.
Work is done by reducing dimensions and abstracting things not adding dimensions and unabstraction.
But at least entertainment will propel the VR industry forward so we can see if anything else pops out.
Magic Leap faked all use cases from day one. It was obvious on multiple levels it was vaporware